::v-deep {
  .ivu-collapse {
    border: none;
  }

  .ivu-collapse-simple {
    background-color: transparent;

    .ivu-collapse-item {
      border: none;
    }

    .ivu-collapse-header {
      padding: 0;
    }

    .ivu-collapse-content {
      background-color: transparent;
      padding: 0;

      .ivu-collapse-content-box {
        padding: 0;
      }
    }
  }
}